Patents
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
08/1990
08/02/1990CA2009091A1 Process for the desorption of adsorbents
08/01/1990EP0379917A2 Optically active (meth)acrylic-acid derivatives, their preparation, their polymerisation into optically active polymers and their use
08/01/1990EP0379599A1 Cellulosic raw material for use as a filler, filtering and moulding additive, disintegrant and carrier for active compounds
08/01/1990CN1044268A Molecular sieve adsorbent for removing trace kr, nitrogen oxides from xe
08/01/1990CN1044233A Preparation of filter aid from diatomite
08/01/1990CN1044232A Preparation of coloured alumina dryer
08/01/1990CA2008611A1 Method for removing mercury from hydrocarbon oil by high temperature reactive adsorption
07/1990
07/31/1990US4944953 Purification of hydrolysed protein with crystalline zeolite
07/31/1990US4944934 High temperature oxygen recovery with reversible chemical reaction
07/31/1990US4944273 Pollution control
07/31/1990CA2008755A1 Crystalline aluminophosphates and related compounds
07/30/1990CA2007907A1 Carbon molecular sieves for purification of chlorofluorocarbons
07/26/1990WO1990008172A1 Support for selective immuno-purification of a liquid and process for treating said support
07/26/1990WO1990008169A1 Organic modified silicic acid heteropolycondensates
07/26/1990WO1990007979A1 Regeneration of carbon
07/26/1990WO1990007971A1 Sorption of gaseous compounds of groups ii-vii elements
07/26/1990WO1990007965A1 Chromatography on a continuous polymer
07/26/1990DE4002044A1 Thiophile adsorbentien Adsorbents Thiophilic
07/26/1990DE4000188A1 Verfahren zur desulfurierung von gasfoermigen effluenten Method for phurisation of houses on gaseous effluent
07/26/1990DE3901784A1 Process and adsorbent for removing iodine and/or organic iodine compounds from gases and/or vapours
07/26/1990DE3901062A1 Carbon dioxide-absorbing composition
07/25/1990EP0379394A1 Use of sorbent for the purification of polyolefins
07/25/1990EP0379378A1 Moldable Compositions of activated carbon and molded articles produced therefrom
07/25/1990EP0378633A1 Zeolite granules with zeolite binder.
07/25/1990EP0167488B1 Ionically modified polysaccharides, process for their preparation and their use
07/25/1990CN1044078A Zeolites
07/25/1990CN1008910B Dry material for aquated contains dispersed polymeres particle aquogel and its process of preparation and application in biology
07/24/1990US4943552 Process for preparing a gas absorbent
07/24/1990US4943376 Surfactant enhanced regeneration of hydrophobic materials
07/24/1990US4943375 Crown and crypt compounds bound to silica; chromatography; metal recovery; blood, photographic films and waste demetallization
07/24/1990US4943304 Process for the purification of bulk gases using chabazite adsorbents
07/20/1990CA2045511A1 Organic modified silicic acid heteropolycondensates
07/19/1990DE3901281A1 Highly water-absorbent, crosslinked copolymers of polyethyleneimine and polyethylene glycol
07/19/1990DE3900945A1 Process for the preparation of bead-form polymer supports based on PVAL
07/18/1990EP0378451A1 Sulfamic acid-based antiscaling composition for activated carbon, antiscaling process making use of said composition
07/18/1990EP0378247A2 Sanitary absorbent structure
07/18/1990CN1043921A Scavenger for arsenic and heavy metal waste water
07/17/1990US4942149 Resolution of optical isomers
07/17/1990US4941974 Method of making liquid chromatography dual zone packing materials
07/17/1990CA1271770A1 Carboxylate polymers and processes for their preparation and use
07/17/1990CA1271736A1 Method for producing zeolite-containing particles
07/13/1990CA2007280A1 Sulfamic acid descaling composition for active carbon, and discaling method thereof
07/12/1990WO1990007376A1 Adsorbent for metal ions, proteins and other inorganic and organic substances
07/12/1990DE3900272A1 Synthetic polymeric support material for chromatographic separation processes, process for its production and use
07/11/1990EP0377302A2 Zeolite compositions
07/11/1990EP0377301A1 Stable silica suspensions
07/11/1990EP0377291A1 Zeolites
07/11/1990EP0377046A1 Fine particles of porous ion-exchange cellulose, process for their production, and affinity carrier
07/11/1990EP0293298B1 Processes for the preparation and regeneration of a copper-containing solid mercury adsorption mass
07/10/1990US4940734 Process for the preparation of porous polymer beads
07/10/1990US4940621 Packaging meat and poultry, absorbent fibers sandwiched between perforated plastic film
07/10/1990US4940569 Gamma alumina substrate with alkali metal component
07/10/1990US4940532 Cleanup of hydrocarbon conversion system
07/10/1990CA1271468A1 Hydratable dry substance producing an aqueous gel containing dispersed polymer particles, method of its preparation and its application in biology
07/07/1990WO1990007528A1 Polymer compositions
07/05/1990DE3841289A1 Synthetische, poroese feststoffkoerper Synthetic porous feststoffkoerper
07/04/1990EP0376883A1 Enantiomeric silanes, modified support and its use
07/04/1990EP0376406A1 Synthetic, macroporcous, amorphous alumina silica and a process for refining glyceride oil
07/03/1990US4938937 Crystalline aluminophosphate composition
06/1990
06/28/1990WO1990006806A1 Heat resistant microporous material production and products
06/27/1990EP0375611A1 Enantiomeric silanes, modified support and its use
06/27/1990EP0374778A2 Method for immobilising a protein in a solid phase, the protein-bearing solid phase and its use
06/27/1990EP0374631A2 Process for the oxygen concentration in air by means of vacuum-swing-adsorption using mixtures of CA-zeolit A molecular sieves
06/27/1990EP0282770B1 Optically active (meth)-acrylamides, process for their preparation and their use in the separation of racemates
06/27/1990EP0252912B1 Immobilised extractants
06/26/1990US4937295 Boron resins of high selective absorbent power
06/26/1990US4937294 Acrylic polymer matrix functionalised with quatenary-ammonium group, epoxy group and phenylboric group
06/26/1990US4937209 Porous inorganic materials
06/26/1990US4937000 Silica-immobilized homo-and copolymers; adsorbents for chroma tographic sedaration
06/26/1990CA1270769A1 Dehydrating device
06/26/1990CA1270641A1 Process for treating a fuel made up of a mixture of hydrocarbons and alcohols, and selective water absorption product
06/22/1990CA2006146A1 Stable suspensions
06/21/1990DE3937863A1 Gas adsorption element - comprising a matrix, charcoal, a metal silicate-aerogel, and alumina
06/21/1990CA2005988A1 Process for the absorptive oxygen-enrichment of air with mixtures of ca zeolite a molecular sieves by means of vacuum swing absorption
06/20/1990EP0373538A1 Process for the separation of alcohol/water mixtures
06/20/1990EP0373391A1 Sorbents on cyclodextrin basis
06/20/1990CN1043118A Purification of saturated halocarbons
06/20/1990CA2005931A1 Zeolite compositions
06/20/1990CA2005856A1 Enantiomeric silanes, modified packing material, and use thereof
06/20/1990CA2005855A1 Enantiomeric silanes, modified packing material, and use thereof
06/19/1990US4935580 Process for purification of hydrocarbons using metal exchanged clinoptilolite to remove carbon dioxide
06/19/1990US4935365 Macroporous particles for cell cultivation or chromatography
06/19/1990US4935216 Zinc-aluminum-phosphorus-silicon-oxide molecular sieve compositions
06/19/1990US4935142 Apparatus for retaining variable number of sheet membrane elements and a method for the use thereof
06/19/1990CA1270496A1 Process for the reducing fouling in higher olefin plants
06/16/1990CA2005879A1 Heat resistant microporous material production and products
06/14/1990WO1990006176A1 Synthetic, porous solid body
06/13/1990EP0372938A1 Zeolite composition for use in olefinic separations
06/13/1990EP0372683A2 Dehydration of organic oxygenates
06/13/1990EP0372581A2 Method of preparing a solid-phase matrix for covalenty binding haptenes
06/13/1990EP0372132A1 Small-pored crystalline titanium molecular sieve zeolites
06/13/1990CN1008329B Formed products of medical stone and its production method
06/12/1990US4933455 Lithiated bipyridyl compounds
06/12/1990US4933372 Porous rigid resins and process of preparation
06/12/1990US4933314 Molecular sieving carbon
06/12/1990US4933286 Purification of apase-11 and retrieval of the nematode resistance gene
06/12/1990US4933162 Contacting with silicate absorber
06/12/1990US4933159 Sorption of trialkyl arsines
06/12/1990CA1270208A1 Selective adsorption process
06/07/1990CA2003740A1 Zeolite composition for use in olefinic separations